1040 nm StopLine^® notch laser dichroic beamsplitter for CARS & SRS

Semrock Part Number: NFD01-1040-25x36

IDEX Part Number: FL-009359 /

Optical Specifications	Value
Transmission Band 1	Tavg > 90% 350 – 992 nm
Transmission Band 2	Tavg > 90% 1114 – 1600 nm
Reflection Band 1	Rabs > 98% 1040 nm
Laser Wavelength 1	1040 nm
Notch Bandwidth 1	118 nm (typical)
General Filter Specifications	Value
Angle of Incidence	45 ± 1 degrees
Cone Half-angle	2 degrees
Optical Damage Rating	1 J/cm² @ 532 nm (10 ns pulse width)
Flatness / RWE Classification	Laser
Reflected Wavefront Error	< 6λ P-V RWE @ 632.8 nm
Physical Filter Specifications	Value
Transverse Dimensions (L x W)	25.2 mm x 35.6 mm
Transverse Tolerance	± 0.1 mm
Clear Aperture	≥ 80% (elliptical)
Scratch-Dig	60-40
Substrate Type	Fused Silica
Filter Thickness (unmounted)	1.05 mm
Filter Thickness Tolerance (unmounted)	± 0.05 mm
Orientation	Reflective surface marked with part number - Orient in direction of incoming light

Topic	Description
Cleaning Optical Filters	Instructions for cleaning hard coated optical filters
Cube Assembly Instructions	PDF and video instruction for installing filters into popular filter cubes
Filter Reliability	Compares the performance and reliability of hard coated filters to traditional soft-coated filters and provides information about the testing standards for Semrock filters
Flatness of Dichroic Beamsplitters	Describes the impact of non-flat dichroic beamsplitters on microscope image fidelity
Measuring Light with Wavelengths & Wavenumbers	Compares units of wavelength to wavenumbers and provides formulas for calculating wavenumber shift
Measurement of Optical Filters	Describes the problems encountered when measuring optical filter spectra with commercially available spectrophotometers
Laser Damage Threshold	Provides information for calculating laser damage threshold for pulsed and continuous wave lasers
Tunable Bandpass Filters	Compares the spectral response of tunable bandpass filters to traditional filter spectra at non-normal angles of incidence

Link	Description
Request a Drawing	Looking for an optical filter drawing file for this product? Request one now!
Request Custom Optical Filters	Contact us today to start a conversation about custom optical filters.
Access Optical Filter Warranty	Find our warranty in our Terms & Conditions of Sale.
Semrock Optical Filters RoHS Certificate	RoHS, stands for Restriction of Hazardous Substances. The current RoHS Directive currently restricts the use of ten substances.
Semrock Optical Filters REACH Certificate	REACH is a regulation of the European Union, adopted to improve the protection of human health and the environment from the risks that can be posed by chemicals, while enhancing the competitiveness of the EU chemicals industry.
Download Optical Filters 101 Guide	Find an in-depth overview of optical filter principles, specifications, and applications. Request a digital copy of this guide now.
Request Clean Filter Checklist Poster	Looking to clean your optical filters? Need instructions? Request a printed copy of our Clean Filter Checklist Poster.

Optical Specifications: Value
Transmission Band 1: Tavg > 90% 350 – 992 nm
Transmission Band 2: Tavg > 90% 1114 – 1600 nm
Reflection Band 1: Rabs > 98% 1040 nm
Laser Wavelength 1: 1040 nm
Notch Bandwidth 1: 118 nm (typical)
General Filter Specifications: Value
Angle of Incidence: 45 ± 1 degrees
Cone Half-angle: 2 degrees
Optical Damage Rating: 1 J/cm² @ 532 nm (10 ns pulse width)
Flatness / RWE Classification: Laser
Reflected Wavefront Error: < 6λ P-V RWE @ 632.8 nm
Physical Filter Specifications: Value
Transverse Dimensions (L x W): 25.2 mm x 35.6 mm
Transverse Tolerance: ± 0.1 mm
Clear Aperture: ≥ 80% (elliptical)
Scratch-Dig: 60-40
Substrate Type: Fused Silica
Filter Thickness (unmounted): 1.05 mm
Filter Thickness Tolerance (unmounted): ± 0.05 mm
Orientation: Reflective surface marked with part number - Orient in direction of incoming light

Topic	Description
Cleaning Optical Filters	Instructions for cleaning hard coated optical filters
Cube Assembly Instructions	PDF and video instruction for installing filters into popular filter cubes
Filter Reliability	Compares the performance and reliability of hard coated filters to traditional soft-coated filters and provides information about the testing standards for Semrock filters
Flatness of Dichroic Beamsplitters	Describes the impact of non-flat dichroic beamsplitters on microscope image fidelity
Measuring Light with Wavelengths & Wavenumbers	Compares units of wavelength to wavenumbers and provides formulas for calculating wavenumber shift
Measurement of Optical Filters	Describes the problems encountered when measuring optical filter spectra with commercially available spectrophotometers
Laser Damage Threshold	Provides information for calculating laser damage threshold for pulsed and continuous wave lasers
Tunable Bandpass Filters	Compares the spectral response of tunable bandpass filters to traditional filter spectra at non-normal angles of incidence

Link	Description
Request a Drawing	Looking for an optical filter drawing file for this product? Request one now!
Request Custom Optical Filters	Contact us today to start a conversation about custom optical filters.
Access Optical Filter Warranty	Find our warranty in our Terms & Conditions of Sale.
Semrock Optical Filters RoHS Certificate	RoHS, stands for Restriction of Hazardous Substances. The current RoHS Directive currently restricts the use of ten substances.
Semrock Optical Filters REACH Certificate	REACH is a regulation of the European Union, adopted to improve the protection of human health and the environment from the risks that can be posed by chemicals, while enhancing the competitiveness of the EU chemicals industry.
Download Optical Filters 101 Guide	Find an in-depth overview of optical filter principles, specifications, and applications. Request a digital copy of this guide now.
Request Clean Filter Checklist Poster	Looking to clean your optical filters? Need instructions? Request a printed copy of our Clean Filter Checklist Poster.

Specifications